Fossils can present clues to Check it out how crops and animals lived up to now – what they appeared like, what they ate, what environments they lived in, and how they advanced and went extinct. For tons of of hundreds of thousands of years, the stays of organisms (as properly as tracks, trails, and burrows – known as hint fossils) were the vast majority of the clues left behind in Earth’s fossil report. A fossil can be studied to find out what sort of organism it represents, how the organism lived, and the way it was preserved.